90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home Gemstones Single Center Stones

Single Center Stones

Browse natural loose gemstones suited for single center-stone jewelry, from classic ring and pendant designs to custom one-of-a-kind settings.

Single Center Stones Weight
Single Center Stones Size
Single Center Stones Clarity
Single Center Stones Price
Single Center Stones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Single Center Stones
Black Single Center Stones
Blue Single Center Stones
Brown Single Center Stones
Golden Single Center Stones
Gray Single Center Stones
Green Single Center Stones
Multicolor Single Center Stones
Orange Single Center Stones
Pink Single Center Stones
Purple Single Center Stones
Red Single Center Stones
Turquoise Single Center Stones
Violet Single Center Stones
White Single Center Stones
Yellow Single Center Stones
Single
Pairs
Lots
Faceted
Cabochons
Clear All

1.06ct Red Rhodolite Garnet, Oval, VVS-VS

7 x 5 mm (calibrated)

$ 28.15

View Gem

1.90ct Brown Kornerupine, Pear Shape, VVS

9 x 7 mm (calibrated)

$ 124.50

View Gem

0.28ct Violet Iolite, Baguette, VS-SI

5 x 3 mm (calibrated)

$ 11.16

View Gem

2.51ct Multicolor Labradorite, Baguette, Translucent

9 x 7 mm (calibrated)

$ 3.44

View Gem

6.92ct Black Star Diopside, Oval, Opaque

12 x 10 mm (calibrated)

$ 34.46

View Gem

16.07ct Red Star Garnet, Oval, Opaque

15.8 x 11.4 mm

$ 15.84

View Gem

23.26ct Green Aventurine, Round, Opaque

20 mm (calibrated)

$ 28.29

View Gem

1.28ct Green Peridot, Oval, VS

8 x 6 mm (calibrated)

$ 11.47

View Gem

2.41ct Orange Hessonite Garnet, Oval, VS-SI

9 x 7.6 mm

$ 38.79

View Gem

4.81ct Multicolor Opal, Pear Shape, Translucent

13.1 x 10.1 mm

$ 119.77

View Gem

0.61ct Yellow Color-Change Diaspore, Emerald Cut, VS

5.7 x 5.1 mm

$ 23.12

View Gem

1.53ct Yellow Citrine, Oval, Transparent

10 x 8 mm (calibrated)

$ 11.74

View Gem

4.34ct Pink Morganite, Oval, Transparent

12 x 10 mm (calibrated)

$ 47.55

View Gem

18.23ct Red Ruby, Oval, VS

16.5 x 13.8 mm

$ 756.55

View Gem

2.20ct Red Tourmaline, Oval, Transparent

9 x 7 mm (calibrated)

$ 23.61

View Gem

1.28ct Green Tourmaline, Oval, VVS

6.8 x 5.9 mm

$ 70.12

View Gem

3.03ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 21.12

View Gem

1.02ct Multicolor Opal, Oval, Translucent

8.3 x 6.3 mm

$ 27.94

View Gem

1.15ct Orange Hessonite Garnet, Oval, VS

7.1 x 5.9 mm

$ 18.91

View Gem

10.50ct Brown Smoky Quartz, Marquise, VVS-VS

19.2 x 13.2 mm

$ 28.77

View Gem

2.04ct Orange Hessonite Garnet, Square, VS

7 x 7 mm (calibrated)

$ 40.64

View Gem

7.95ct Black Tourmaline, Pear Shape, Opaque

15.4 x 12.9 mm

$ 39.59

View Gem

12.50ct Multicolor Jasper, Oval, Opaque

20 x 15 mm (calibrated)

$ 33.00

View Gem

2.08ct White Zircon, Round, VVS

7 mm (calibrated)

$ 62.16

View Gem
1 2 3
...
209
Choose Page
1 - 1500

Why Buy Single Center Stones from GemSelect?

Shop Natural Gemstones for a Focal Design

A single center stone is the main gemstone in a jewelry design. Whether it will be set in a solitaire ring, a pendant, a statement cocktail ring or a custom mounting, the center gem sets the tone for the finished piece. This category brings together natural loose gemstones that work well as the primary visual focus of a design.

Choose by Shape, Color and Presence

Center stones are often selected for their balance of beauty, size and wearability. Round, oval, cushion, pear, emerald-cut, trillion and other shapes can each create a different style. Color is equally important: vivid, subtle, deep or pastel tones can change the entire character of a design. Use the gemstone details to compare measurements, carat weight, clarity, cut and overall appearance before choosing the stone that best fits your project.

Natural loose gemstones suitable for single center stone jewelry

For Rings, Pendants and Custom Jewelry

Single center stones are a flexible choice for many types of jewelry. A well-proportioned gem can stand alone in a simple setting, while a more dramatic stone may be paired with accent gems or decorative metalwork. If you are working with a jeweler, the loose gemstone’s dimensions are especially important for planning the setting and final design.

Review the Gem Details Before Buying

Every gemstone type has its own character, including differences in hardness, brilliance, transparency and typical inclusions. For jewelry that will be worn often, consider the intended use as well as the gem’s durability. Always check the individual product information for measurements, shape, treatment notes and other specifications relevant to your purchase.

Single Center Stone FAQs

What is a single center stone?

A single center stone is the main loose gemstone intended to be the focal point of a jewelry piece, such as a ring, pendant or custom design.

How do I choose the right size center stone?

Look at the gemstone’s millimeter measurements as well as carat weight. Two stones with the same carat weight can face up differently depending on shape, cut and gemstone type.

Which gemstone shapes are popular for center stones?

Round, oval, cushion, pear, emerald-cut and trillion shapes are common choices, but the best shape depends on the setting style and the look you prefer.

Can these stones be used for engagement rings?

Many natural gemstones can be used in engagement-style rings, but durability varies by gem type. For everyday wear, discuss setting protection and gemstone suitability with your jeweler.

Should I buy the stone before the setting?

For custom jewelry, many buyers choose the loose center stone first so the setting can be made to fit its exact shape and measurements.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate
Enlarged Gemstone Image